31969980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25373}}^1$

素因数の和:25395

約数の個数: 72

約数和(自身を含む): 110833632

約数和(自身を除く): 78863652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25373, 50746, 76119, 101492, 126865, 152238, 177611, 228357, 253730, 304476, 355222, 380595, 456714, 507460, 532833, 710444, 761190, 888055, 913428, 1065666, 1141785, 1522380, 1598499, 1776110, 2131332, 2283570, 2664165, 3196998, 3552220, 4567140, 5328330, 6393996, 7992495, 10656660, 15984990, 31969980]

約数ペア:

[(1, 31969980), (2, 15984990), (3, 10656660), (4, 7992495), (5, 6393996), (6, 5328330), (7, 4567140), (9, 3552220), (10, 3196998), (12, 2664165), (14, 2283570), (15, 2131332), (18, 1776110), (20, 1598499), (21, 1522380), (28, 1141785), (30, 1065666), (35, 913428), (36, 888055), (42, 761190), (45, 710444), (60, 532833), (63, 507460), (70, 456714), (84, 380595), (90, 355222), (105, 304476), (126, 253730), (140, 228357), (180, 177611), (210, 152238), (252, 126865), (315, 101492), (420, 76119), (630, 50746), (1260, 25373)]